Home / 119,531.27-164,954.36-65,821.27

Finding the Fourth Proportional to 119,531.27, 164,954.36 and 65,821.27

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Solution

The fourth proportional to 119,531.27, 164,954.36 and 65,821.27 is: 90,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,531.27 : 164,954.36 = 65,821.27 : x
  2. Step 2: Convert to fraction form
    119,531.27/164,954.36 = 65,821.27/x
  3. Step 3: Cross multiply
    119,531.27x = 164,954.36 × 65,821.27
  4. Step 4: Simplify right side
    119,531.27x = 10,857,505,219.40
  5. Step 5: Solve for x
    x = 10,857,505,219.40/119,531.27
  6. Step 6: Final answer
    x = 90,834.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.